<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>广告页</title>
</head>
<body class="df fcolumn">
    <!-- 头部 -->
    <header class="f18 tcenter">源码健身</header>
    <!-- 主要内容 -->
    <main class="flex ad-bg"></main>
    <!-- 跳过 -->
    <div class="jump abs tcenter">
        <span id="countdown">5</span>s |
        <span>跳过</span>
    </div>
    <!-- slogan -->
    <div class="slogan abs tcenter animate__animated animate__backInDown">-Never Say Die!-</div>

</body>
</html>